Across
- 3. Q are not closed under____
- 4. a rational number and its additive inverse are ___in their sign
- 5. numbers are also called rational numbers
- 8. a*b belongs to Q is ___property
- 9. a+b =b+a is ___property
- 11. p/q form,p&q are Z
- 12. multiplicative inverse of one
- 13. is the additive identity for Q
Down
- 1. the multiplicative inverse of Q is its
- 2. ax0=____
- 4. is the multiplicative identity for Q
- 6. division by one
- 7. ax(bxc)=(axb)xc is ___ property
- 10. division by zero